USAFRet :
Each port can theoretically do SATA III (6Gbps) performance, all at the same time.
Regular hard drives cannot approach that performance.
yeah when my hard drive is reading/writing at the hdd max speed when loading a game that i9 have installed on my ssd is slow loading i mean that its slow loading on my ssd while something is going on with the hdd like installing a game or other software